[bldg-sim] Heat recovery: Any data on central water/sewer drain line temperatures from multi-family buildings?
Brian Thornton
thorntonenergy at comcast.net
Fri Sep 23 06:02:09 PDT 2005
I am looking for information on the temperatures of the waste water leaving
multi-family buildings.
We have looked at drain heat recovery at individual showers and units, and
found the space requirements (and placement of heat recovery equipment in
some other tenant/owner spaces) to be too big an obstacle.
I am wondering if there is enough heat to consider central heat recovery off
of the combined drain lines to pre-heat domestic hot water make-up.
Any one have history in trying such a heat recovery approach?
Brian
Thornton Energy Consulting
p. 503-231-6600 f. 503-231-3555
thorntonenergy at comcast.net
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